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White smoke after injector replacement


That Guy

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Is this something to be concerned about?

 

Replaced injectors with like for like items which have been cleaned and tested and am now idling on three and blowing a serious amount of white smoke.

 

Have unhooked each injector with cylinder two not firing. Is a little weird as was fine before injector removal.

 

I did read about excess fuel washing away oil from the cylinder walls causing this, but I haven't found any solutions. Any ideas would be helpful 

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Cheers.

 

So I pulled an cleaned the spark plug on that cylinder which didn't help. Pulled injector and reinstalled a old one which has solved the issue.

 

Pretty weird, got the replacement set from @THUNDA with documentation of being cleaned and tested and were unused since being in the shop. 

 

Anyhow, should u be concerned about this excess smoke? Seems to have chilled out a bit after some idling and a few revs but it is still fairly smokey.  I don't wanna be that ignorant guy and just go for a fang to clear it out if there is a accrual reason for concern.

 

 

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Heya bro, this happened to me last time i messed around with my injectors (with the same set and also another set - but before they were individually cleaned and tested at huge expense)

for me it ended up just being spark plugs too wet (because of the gas flow after taking the injectors out flowing down into the head) it took a couple of goes of doing this

 

Start car (car would run on 2/3)

leaving new injectors in take out all spark plugs, clean and let dry off (i just burnt mine off 2-stroke bike style but dunno how good it is for them)

start car (car would then run on 3)

take all plugs out again, clean and dry off

start car (car running on 3/4)

take all plugs out again, clean and dry off

start car (car now running on 4t)

 

was weird for me, but worked in the end, will probably be super annoying for you if your running coil over plugs - mine was  easy as im running the v4 wasted spark setup so i could just pull the h/t leads off etc

 

i also had to change my oil as heaps of gas ended up going into the oil from changing injectors back and forth

 

the injector you took out that was causing the missfire could have been fine if that particular spark plug was dripping wet, but id leave it as is,

as for the white smoke - if it is smoke then thats probably not good, however i know you live down the line abit so if it was cold its probably just excess fuel vapping off/burning off, you could have gas in the oil also

 

this the 2nd time something you've bought from me has played up - im starting to feel bad lol! be honestly those injectors were cleaned and tested which is why i put the receipt in there for you! real sorry dude - willing to refund you coin - i dont mind calling up the crowd who cleaned them and giving them an earful if you like ^_ ^

 

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Yea your second hand stuff sux bro lol. Nah it's all good, fuel pump as just wiring that I put off till the bitter end so totally my fault there.

 

This injector thing is weird tho man. Like you said, I pulled the plug on number 2 and cleaned it with new injector in and no good so swapped back to old injector and it was fine. To make sure this was consistent I swapped back and forth 3 or 4 times between old and new with the same result. I should really pop the suspect injector into another cylinder just to be sure, but you would think that if there was spark related issue/wet plug that it would also miss with the old injector in place. Who knows? Might shuffle them around a little today and see if the problem follows the injector just to be sure. 

 

 

 

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Yeah your right, if your old injector is working when the new one doesnt on multiple swaps it will be just that injector - however this infuriates me - as i paid $200 to get them TESTED & Cleaned - which by the way is about 4 times the normal price - this means the joker on the test may not have done his job properly - but was happy to receive all that coin -_-

 

btw just to confirm that white smoke - i got the same thing but it randomly went away after a little while - think it just all that fuel  - id definately change your oil though.

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